This species doesn't set seeds with pollen of any other plant of its species but only when pollen of Echinopsis are used.
The seed...Read Morelings are true Harrisia jusbertii however.
Seedling plants are not good as understocks for grafts, because they are leaning always. Only rooted cuttings of those are growing straight up.
This used to be considered a pure species, but recently it is considered to possibly be an intergenic hybrid between Harrisia sp., possib...Read Morely H. pomanensis, and Echinopsis eyriesii.
Harrisia bonplandii is not a synonym of this plant, it is instead a synonym of Harrisia pomanensis.
It has large white nocturnal flowers (another night-blooming Cereus).
This species doesn't set seeds with pollen of any other plant of its species but only when pollen of Echinopsis are used.
The seed...Read More
This used to be considered a pure species, but recently it is considered to possibly be an intergenic hybrid between Harrisia sp., possib...Read More